3 years ago

Describe two ways to check whether algebraic expressions are equivalent.

Mathematics

1 answer:

Ghella [55]3 years ago

7 0

Left side right side check! that’s only one i know sorryyyy

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Solve the two step equations

disa [49]

Hello!

1) -3x - 4 = 23

-3x = 23 + 4

-3x = 27

x = 27 : (-3)

x = -9

2) x/2 - 12 = -4

x - 24 = -8

x = -8 + 24

x = 16

3) 6a + (-1) = 10

6a - 1 = 10

6a = 10 + 1

6a = 11

a = 11 : 6

a = 11/6

4) -(x + 2) = 12

x + 2 = -12

x = -12 - 2

x = -14

5) 7a + 12 = 10

7a = 10 - 12

7a = -2

a = -2 : 7

a = -2/7

6) -4(a + 2) = 12

a + 2 = -3

a = -3 - 2

a = -5

Good luck! :)

7 0

3 years ago

Helga [31]

Answer:

8.2 in

Step-by-step explanation:

Volume formula:

V = πr²l

Solving for l:

l = V/(πr²)

Length of the given cylinder:

l = 1256/(π7²) = 1256/(3.14*49) = 8.2 in rounded

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I would say C.
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Determine the equation of the inverse of y = 7x + 2

Eddi Din [679]

Since we are finding the inverse you switch the variable. So it is now x=7y+2 and now you solve for y. You would get x-2/7 = y for the inverse

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hope I helped! any other questions I'm happy to answer.

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Describe two ways to check whether algebraic expressions are equivalent.​

Describe two ways to check whether algebraic expressions are equivalent.